Tetradifon (Ref: ENT 23737) |
![]() Last updated: 16/03/2021 |
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(Also known as: tedion; sulfone) |
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An acaricide for use in horticultural crops to control a wide range of phytophagous mites | |
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Citrus spider mite; Red spider mite; Flat mites; yellow mite | |
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Apples; Pears; Peaches; Citrus; Ornamentals; Cotton; Tea | |
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Current | |
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circa 1955 |
UK regulatory status |
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Not approved | ||
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Expired | ||
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No UK approval for use |
EC Regulation 1107/2009 (repealing 91/414) |
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Not approved | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Not applicable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Expired | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Yes | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Also used in |
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Australia |
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Chemical structure |
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None | |
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C₁₂H₆Cl₄O₂S | |
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C1=CC(=CC=C1S(=O)(=O)C2=CC(=C(C=C2Cl)Cl)Cl)Cl | |
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No data | |
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MLGCXEBRWGEOQX-UHFFFAOYSA-N | |
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InChI=1S/C12H6Cl4O2S/c13-7-1-3-8(4-2-7)19(17,18)12-6-10(15)9(14)5-11(12)16/h1-6H | |
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Yes |
General status |
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Acaricide, Insecticide | |
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Bridged diphenyl | |
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- | |
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- | |
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Synthetic | |
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Non-systemic with larvicidal and ovicidal activity. Acts by inhibiting oxidative phosphorylation. | |
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116-29-0 | |
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204-134-2 | |
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113 | |
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079202 | |
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8305 | |
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356.06 | |
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1,2,4-trichloro-5-(4-chlorobenzene-1-sulfonyl)benzene | |
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4-chlorophenyl 2,4,5-trichlorophenyl sulfone | |
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1,2,4-trichloro-5-((4-chlorophenyl)sulfonyl)benzene | |
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OSPAR soc | |
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- | |
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Not applicable | |
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Not applicable | |
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12C | |
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Not applicable | |
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Panonychus citri, Panonychus ulmi, Tetranychus mcdanieli, Tetranychus urticae | |
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Colourless crystals | |
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Formulations |
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Available in a variety of formulations including emulsifiable concentrates, wettable powders and smoke generators |
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0.078 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Low | ||||||||
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82000 | C4 C = AGRITOX (click here ) Acetone4 = Verified data |
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255000 | C4 C = AGRITOX (click here ) Chloroform4 = Verified data |
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10000 | C4 C = AGRITOX (click here ) Methanol4 = Verified data |
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115000 | C4 C = AGRITOX (click here ) Xylene4 = Verified data |
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146 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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4.07 X 1004 | Calculated | - | |||||||
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4.61 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
High | ||||||||
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1.52 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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3.20 X 10-05 | C4 C = AGRITOX (click here ) 4 = Verified data |
Low volatility | ||||||||
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1.46 X 10-04 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Non-volatile | ||||||||
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Degradation |
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112 | C4 C = AGRITOX (click here ) 4 = Verified data |
Persistent | |||||||
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112 | C4 C = AGRITOX (click here ) 4 = Verified data |
Persistent | ||||||||
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8.0 | R3 R = Peer reviewed scientific publications 3 = Unverified data of known source |
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Alfalf leaves, n=1 | ||||||||||
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6.1 | R3 R = Peer reviewed scientific publications 3 = Unverified data of known source |
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Published literature RL₅₀ range 5.2-7.0 days, fruit from 2 field grown crops, n=2 | ||||||||||
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Stable | C2 C = AGRITOX (click here ) 2 = Unverified data of unknown source |
Stable | |||||||
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Soil adsorption and mobility |
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- | W3 W = French database provided by ARVALIS-Institut du Végétal 3 = Unverified data of known source |
Moderately mobile | |||||||
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100 | ||||||||||
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Fate indices |
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4.10 | Calculated | High leachability | ||||||||||||||||||||||||||
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1.44 X 1000 | Calculated | - | |||||||||||||||||||||||||
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Medium | Calculated | - | ||||||||||||||||||||||||||
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Moderately mobile | Calculated | - |
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190 | P4 P = Other governments and regulators (Other literature Log BCF range 1.7-2.0 (R3))4 = Verified data |
Threshold for concern | |||||||
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Not available | - | |||||||||
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> 14700 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
Low | ||||||||
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- | L2 L = Pesticide manuals and hard copy reference books / other sources Rat 2 year2 = Unverified data of unknown source |
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200 | - | |||||||||
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> 5000 | L3 L = Pesticide manuals and hard copy reference books / other sources Anas platyrhynchos3 = Unverified data of known source |
Low | ||||||||
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> 880 | L3 L = Pesticide manuals and hard copy reference books / other sources Lepomis macrochirus3 = Unverified data of known source |
Low | ||||||||
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> 2 | L3 L = Pesticide manuals and hard copy reference books / other sources Daphnia magna3 = Unverified data of known source |
Moderate | ||||||||
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> 100 | L3 L = Pesticide manuals and hard copy reference books / other sources Raphidocelis subcapitata3 = Unverified data of known source |
Low | ||||||||
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> 11 | C4 C = AGRITOX (click here ) 4 = Verified data |
Moderate | |||||||
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> 5000 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Low | ||||||||
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Harmless | [Dose: 96 g ha⁻¹] AA3 AA = IOBC Database on classification of side effects to beneficial organisms, 2005 Typhlodromus pyri3 = Unverified data of known source |
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Harmless | [Dose: 96 g ha⁻¹] AA3 AA = IOBC Database on classification of side effects to beneficial organisms, 2005 Chrysoperla carnea3 = Unverified data of known source |
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General |
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High (class III) | - | - | ||||||||
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> 14700 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
Low | ||||||||
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10000 | L3 L = Pesticide manuals and hard copy reference books / other sources Rabbit3 = Unverified data of known source |
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3.0 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat 4 hr3 = Unverified data of known source |
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May be absorbed into the body by inhalation of dust | ||||||||||
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Health issues |
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Possible liver and kidney toxicant |
Handling issues |
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Prevent generation of dust Flammable Tackle fires using a water spray or dry chemicals |
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Health: H302 Environment: H400, H410 |
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Xn- Harmful: R22 H - Handling risks: R10 |
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U (Unlikely to present an acute hazard) | |||
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1993 | |||
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Dispose of as chemical waste of low toxicity |
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tetradifon | ||
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tetradifon | ||
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Tetradifon | ||
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tetradifon | ||
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tetradifon | ||
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tetradifon | ||
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- | ||
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tereadifon | ||
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tetradifon | ||
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- | ||
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Record last updated: | 16/03/2021 |
Contact: | aeru@herts.ac.uk |
Please cite as: | Lewis, K.A., Tzilivakis, J., Warner, D. and Green, A. (2016) An international database for pesticide risk assessments and management. Human and Ecological Risk Assessment: An International Journal, 22(4), 1050-1064. DOI: 10.1080/10807039.2015.1133242 |